ViperEkura
f95722a277
- add a GPU trainer Compose profile with mounted data, models, and checkpoints - add host commands for preflight, lifecycle, logs, status, and checkpoint cleanup - resume from the latest complete checkpoint with external config or CLI arguments
67 lines
1.6 KiB
Bash
Executable File
67 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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log_info() {
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printf '[INFO] %s\n' "$*"
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}
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log_warn() {
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printf '[WARN] %s\n' "$*" >&2
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}
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die() {
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printf '[ERROR] %s\n' "$*" >&2
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exit 1
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}
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require_command() {
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command -v "$1" >/dev/null 2>&1 || die "Required command not found: $1"
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}
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validate_job_name() {
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[[ "$1" =~ ^[A-Za-z0-9][A-Za-z0-9._-]*$ ]] ||
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die "Invalid TRAIN_JOB_NAME '$1'; use letters, numbers, dot, underscore, or dash"
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}
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checkpoint_is_complete() {
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local checkpoint="$1"
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local file
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[[ -d "${checkpoint}" ]] || return 1
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for file in meta.json config.json model.safetensors optimizer.pt scheduler.pt; do
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[[ -s "${checkpoint}/${file}" ]] || return 1
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done
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return 0
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}
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checkpoint_coordinates() {
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local name
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name="$(basename "$1")"
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[[ "${name}" =~ ^epoch_([0-9]+)_step_([0-9]+)$ ]] || return 1
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printf '%d %d\n' "$((10#${BASH_REMATCH[1]}))" "$((10#${BASH_REMATCH[2]}))"
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}
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list_complete_checkpoints() {
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local checkpoint_dir="$1"
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local checkpoint coordinates epoch step
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for checkpoint in "${checkpoint_dir}"/epoch_*_step_*; do
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[[ -d "${checkpoint}" ]] || continue
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coordinates="$(checkpoint_coordinates "${checkpoint}")" || continue
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checkpoint_is_complete "${checkpoint}" || continue
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read -r epoch step <<<"${coordinates}"
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printf '%012d %012d %s\n' "${epoch}" "${step}" "${checkpoint}"
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done | sort -n -k1,1 -k2,2
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}
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find_latest_checkpoint() {
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local checkpoint_dir="$1"
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local latest
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latest="$(list_complete_checkpoints "${checkpoint_dir}" | tail -n 1)"
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[[ -n "${latest}" ]] || return 1
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printf '%s\n' "${latest#* * }"
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}
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